CVE-2023-5543 Moodle: duplicating a bigbluebutton activity assigns the same meeting id

2023-11-0921:35:38

CWE-284

fedora

github.com

cve-2023-5543

moodle

unintended access

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

AI Score

6.7

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.

CNA Affected

[
  {
    "versions": [
      {
        "status": "affected",
        "version": "4.2.0",
        "lessThan": "4.2.3",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.1.0",
        "lessThan": "4.1.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.0.11",
        "versionType": "semver"
      }
    ],
    "packageName": "moodle",
    "collectionURL": "https://git.moodle.org",
    "defaultStatus": "unaffected"
  }
]